Composite Compliance testing for backward formulas (#74646)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/74646
The OpInfo-based test, given an operator and sample inputs,
checks all permutations of {inputs, grad_output} being either
{CompositeCompliantTensor, regular Tensor}, running them through a
forward pass and a backward pass.
Test Plan: - wait for tests
Reviewed By: albanD
Differential Revision: D35186860
Pulled By: zou3519
fbshipit-source-id: 8b2577dd6106c05db2ab583bbefd10545fdd8adf
(cherry picked from commit 3f5c3793715af9a8d4db06690c5faa7256a82645)
